Oxygenated verticillene derivatives from Bursera suntui

Area of Science:

• Natural Product Chemistry
• Organic Chemistry
• Phytochemistry

Background:

• Bursera suntui is a plant genus known for its diverse chemical constituents.
• Verticillane derivatives are a class of natural products with potential biological activities.

Purpose of the Study:

• To isolate and characterize new verticillane derivatives from Bursera suntui.
• To elucidate the structures and stereochemistry of these novel compounds.

Main Methods:

• Hexane extraction of Bursera suntui stems.
• Medium polarity fractionation.
• Spectroscopic analyses including 1D and 2D NMR and HRESIMS.
• Molecular mechanics and DFT calculations for conformational analysis.

Main Results:

• Isolation of six known and four new verticillane derivatives (compounds 7-10).
• Characterization of compounds 7-11, including their structures and stereochemistry.
• Confirmation of structures through spectroscopic data and computational modeling.

Conclusions:

• The study successfully identified novel verticillane derivatives from Bursera suntui.
• The findings contribute to the knowledge of Bursera secondary metabolites.
• Established structures and stereochemistry provide a basis for further biological investigation.